package com.example.administrator.project;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.widget.Toast;

/**
 * Created by Administrator on 2019/5/31.
 */

public class MyDatabaseHelper extends SQLiteOpenHelper {
    public String CREATE_BOOK="CREATE TABLE mytable (_id INTEGER PRIMARY KEY"
                                 + "AUTOINCREMENT, title TEXT, value REAL)";
    private Context mContext;


    public MyDatabaseHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
        super(context, name, factory, version);
        mContext=context;
    }

    @Override
    public void onCreate(SQLiteDatabase db) {

        db.execSQL(CREATE_BOOK);
        Toast.makeText(mContext,"Create succeeded",Toast.LENGTH_SHORT).show();

    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }
}
